weiss™ Pre-Install is a colourless pre-construction paving protection impregnator designed to minimise staining and contamination during installation. Suitable for stone, porcelain, clay, and precast concrete paving units. No colour change to surfaces. Supplied in 1-litre, 5-litre, and 10-litre plastic containers.

  • Colourless liquid for protecting paving during construction

  • Reduces risk of oil, grime, and cement staining

  • Speeds up slurry grout jointing with less risk of staining

  • Suitable for highly absorbent paving elements

  • No visible change to paving appearance

  • Single coat application

Applications

  • Protecting new paving units during installation and before jointing

Options and variations

1-litre plastic bottle

5-litre plastic canister

10-litre plastic canister

Performance

Typical coverage 10-20m² per litre, lower for highly porous surfaces

Installation

Apply to clean, dry upper surfaces before laying or before slurry grouting

Do not dilute

Apply sparingly and evenly with brush, sponge, or roller

Remove excess with a cloth

Apply 1 coat

Allow 2 hours drying before applying fresh mortar

Apply only when surface temperature is at least 5°C

Maintenance

Store in original container in frost-free conditions for up to 12 months